how to get x value of findpeaks

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Alpay-Kaan Erbay
Alpay-Kaan Erbay 2022-5-18
编辑： Davide Masiello 2022-5-18
I use the following findpeaks method:
peaks = findpeaks(smoothed{i}, 'MinPeakHeight',0.5,...
'MinPeakDistance',200);
the peaks matrix for this contains the y values, but I would like to have the x values. How do I get these?

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回答（1 个）

Davide Masiello
Davide Masiello 2022-5-18
编辑：Davide Masiello 2022-5-18
If X is your array of x-values, do
[peaks,locs] = findpeaks(smoothed{i},'MinPeakHeight',0.5,'MinPeakDistance',200);
x_peaks = X(locs);
You can find more info at
https://ch.mathworks.com/help/signal/ref/findpeaks.html

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